31324037103 has 12 divisors (see below), whose sum is σ = 45248168160. Its totient is φ = 20881612896.

The previous prime is 31324037099. The next prime is 31324037117. The reversal of 31324037103 is 30173042313.

31324037103 is a `hidden beast` number, since 313 + 240 + 3 + 7 + 103 = 666.

It is not a de Polignac number, because 31324037103 - 2² = 31324037099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31324037153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 119818 + ... + 277496.

It is an arithmetic number, because the mean of its divisors is an integer number (3770680680).

Almost surely, 2^31324037103 is an apocalyptic number.

31324037103 is a deficient number, since it is larger than the sum of its proper divisors (13924131057).

31324037103 is a wasteful number, since it uses less digits than its factorization.

31324037103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179758 (or 179755 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 27.

Adding to 31324037103 its reverse (30173042313), we get a palindrome (61497079416).

The spelling of 31324037103 in words is "thirty-one billion, three hundred twenty-four million, thirty-seven thousand, one hundred three".